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hard to start after driving and engine still warm

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New User

Aug 28, 2010, 7:31 PM

Post #1 of 4 (2257 views)
hard to start after driving and engine still warm Sign In

I have an: 1989 Mercury Tracer with a 1.6L engine and Automatic transmission. After I driver the car for 15 minutes or more, then shut the car off and try to start the car while the engine is still warm, the engine will crank, but the car will not start. First I waited until the engine was cold to start it and it started without a problem. I had it checked and first I was told it was the alternator so I replaced it, but still have the problem, I was told by a few different repair shops that they cold not find anything wrong. I was also told that my gas cap was not venting correctly and bought a new one, but really had a hard time believing that. I found that if I pump the gas pedal when I have the problem that the car will start. After telling the shops that, I have been tols that I need everything from a fuel injector cleaning to expensive electronics to new injectors to a rebuilt engine. Except for this issue the car runs good. One friend asked if I ever had the throttle body cleaned, that they had an accelaration issue and that cured his issue. Before I sink hundred$ or thousand$ into this issue, does anyone know the cure or the best way to start?

Veteran / Moderator

Aug 29, 2010, 12:02 AM

Post #2 of 4 (2252 views)
Re: hard to start after driving and engine still warm [In reply to] Sign In

The best place to start would be to get the car where it won't start and then check for spark & fuel. This will really help narrow the search...

A very dirty throttle body could cause a hard start but as soon as you open the throttle part way the engine would start if that was the problem.....You wouldn't have to pump the pedal, just hold it open slightly to allow more air flow.....


New User

Aug 31, 2010, 9:03 PM

Post #3 of 4 (2242 views)
Re: hard to start after driving and engine still warm [In reply to] Sign In

I will keep tools handy to check spark when it happens, but what is the best way to check for fuel. It is a random problem so it does not happen that often when home. If I have spark and fuel, what next should I check?

Veteran / Moderator

Aug 31, 2010, 9:58 PM

Post #4 of 4 (2238 views)
Re: hard to start after driving and engine still warm [In reply to] Sign In

You would need a spark tester to check for spark. Checking for fuel on the road you could just carry a can of carb cleaner or starting fluid. When it's not starting just spray some down the throttle body. If it starts & runs for a few seconds, that would indicate a fuel problem....

If you feel like gambling, you could try a new ign module. That was a very common fault on those..............


hard to start after driving and engine still warm

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